Did anyone tough about putting a oil cooler and collecting heat from it for winter cab heating and summer engine cooling... My friend got a Grumman truck with a Deutz air cool diesel engine. The heating for the truck come from a big oil cooler mounted in a duct box with a fan motor... I think that could be a new and good upgrade for winter and summer as well as keeping the engine running cooler... What do you think
Martin
Martin

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